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Message-ID: <20071201220120.15f4fd49@poseidon.drzeus.cx>
Date: Sat, 1 Dec 2007 22:01:20 +0100
From: Pierre Ossman <drzeus@...eus.cx>
To: Bjorn Helgaas <bjorn.helgaas@...com>
Cc: Andrew Morton <akpm@...ux-foundation.org>,
Jiri Slaby <jirislaby@...il.com>,
Matthew Wilcox <matthew@....cx>,
Linux kernel mailing list <linux-kernel@...r.kernel.org>,
Greg KH <gregkh@...e.de>,
linux-usb-devel@...ts.sourceforge.net,
linux-pm@...ts.linux-foundation.org
Subject: Re: WARNING: at kernel/resource.c:189 __release_resource
On Thu, 29 Nov 2007 16:40:37 -0700
Bjorn Helgaas <bjorn.helgaas@...com> wrote:
>
> The corresponding PCI code in pci_device_suspend() does not do
> any generic device disable or resource release. I don't know
> why PNP disables the device on suspend. I glanced through the
> ACPI spec but didn't see a requirement for it. Maybe Pierre [1]
> remembers.
>
Afraid not. There was a reason for it, but my mind draws a blank as to what that was... I have a slight recollection of bad BIOS interaction during STR, but I'm not sure it was related to this specific patch.
Rgds
Pierre
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